.NET HTTP Handler

Imports System.Text
Imports System.Net
Imports System.IO
Public Class HTTP_Handle
    Public Shared Function HTTP_DOWNLOAD_DATA(ByVal Site As String)
        Dim request As HttpWebRequest = DirectCast(WebRequest.Create(Site), HttpWebRequest)
        request.CookieContainer = FrmMain.Cookie_Handler
        Dim response As HttpWebResponse = DirectCast(request.GetResponse(), HttpWebResponse)
        Dim reader As New StreamReader(response.GetResponseStream())
        Return reader.ReadToEnd
    End Function
    Public Shared Function HTTP_POST_DATA(ByVal Site As String, ByVal POST As String, ByVal UserAgent As String)
        Dim postData As String = POST
        Dim tempCookies As New CookieContainer
        Dim _Encryption As New UTF8Encoding
        Dim byteData As Byte() = _Encryption.GetBytes(postData)
        Dim postReq As HttpWebRequest = DirectCast(WebRequest.Create(Site), HttpWebRequest)
        postReq.Method = "POST"
        If FrmMain.Proxy_Enabled = True Then
            postReq.Proxy = New WebProxy(FrmMain.Proxy_IP, True)
        End If
        postReq.KeepAlive = True
        postReq.CookieContainer = FrmMain.Cookie_Handler
        postReq.ContentType = "application/x-www-form-urlencoded"
        postReq.Referer = Site
        postReq.UserAgent = UserAgent
        postReq.ContentLength = byteData.Length
        postReq.AllowAutoRedirect = False
        Dim postreqstream As Stream = postReq.GetRequestStream()
        postreqstream.Write(byteData, 0, byteData.Length)
        postreqstream.Close()
        Dim postresponse As HttpWebResponse
        postresponse = DirectCast(postReq.GetResponse(), HttpWebResponse)
        tempCookies.Add(postresponse.Cookies)
        FrmMain.Cookie_Handler = tempCookies
        Dim postreqreader As New StreamReader(postresponse.GetResponseStream())
        Return (postreqreader.ReadToEnd)
    End Function
End Class